What phrase describes being cautious about new ideas at a high level?

The phrase that describes being cautious about new ideas at a high level is "Go slow, approach with caution." This emphasizes the importance of taking a measured and careful approach when introducing or implementing new ideas, particularly in environments where the potential impact could be significant or the risks are high.

Being cautious allows individuals and organizations to thoroughly evaluate the implications, gather necessary data, and consider potential challenges before fully committing to an idea. This patience is often critical in high-stakes situations where the consequences of a hasty decision can have long-lasting effects.

In contrast, the other options either suggest a more active or confident approach or do not specifically convey the idea of caution in evaluating new concepts. For instance, "Proceed with confidence" encourages a bold and positive attitude towards new ideas, while "Take time to assess" focuses on evaluation but lacks the emphasis on caution inherent in the correct choice. "Red light, green light," while a familiar children's game, does not effectively capture the notion of cautious deliberation in a high-level context.